Home / 3,719.40-5,133.29-2,303.53

Finding the Fourth Proportional to 3,719.40, 5,133.29 and 2,303.53

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Solution

The fourth proportional to 3,719.40, 5,133.29 and 2,303.53 is: 3,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.40 : 5,133.29 = 2,303.53 : x
  2. Step 2: Convert to fraction form
    3,719.40/5,133.29 = 2,303.53/x
  3. Step 3: Cross multiply
    3,719.40x = 5,133.29 × 2,303.53
  4. Step 4: Simplify right side
    3,719.40x = 11,824,687.51
  5. Step 5: Solve for x
    x = 11,824,687.51/3,719.40
  6. Step 6: Final answer
    x = 3,179.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.